Re: [PATCH v1 03/11] perf: Allow for multiple ring buffers per event

Alexander Shishkin
2014-05-08T12:35:27Z

Peter Zijlstra <peterz@infradead.org> writes:

> So the aux_head/tail values should also be in the file space and not
> start at 0 again, similar for the offsets in the AUX record.

Thinking some more about it: if we keep aux_{offset,size} in userpg,
then it would make sense to have aux_{head,tail} run from 0 to infinity
similar to data_{head,tail}, especially considering that neither data_*
nor aux_* pointers are file offsets anyway.

Regards,
--
Alex